Monday, January 11, 2010

Updated article from Stanford Encyclopedia of Philosophy:

[Revised entry by Frank Arntzenius and Tim Maudlin on December 23, 2009.Changes to: Main text, Bibliography]Time travel has been a staple of science fiction. With the advent of general relativity it has been entertained by serious physicists. But, especially in the philosophy literature, there have been arguments that time travel is inherently paradoxical. The most famous paradox is the grandfather paradox: you travel back in time and kill your grandfather, thereby preventing your own existence. To avoid inconsistency some...